- Paper backing is highly absorbent and transports water to show indications
- Acrylic adhesive allows for a very high bond strength to most surfaces including low surface energy plastics such as polypropylene and powder coatings
- Total construction is rotary die cuttable with no film top layer
- Tape is thinner to enable slim electronics device design
3M™ Ultra-thin Water Contact Indicator Tape 5559 changes color RAPIDLY from white to red upon contact w/water. It is designed to withstand heat & humidity aging w/o giving water indication. The top surface is press printable by laser & ink jet devices.